The pandas eat ________ about 12 hours a day.
A. with B. for C. at
She is________to go to work．
| A．old enough |
| B．older enough |
| C．oldest enough |
| D．the oldest enough |
—Could I use your dictionary？
—________．
| A．Yes，I could． |
| B．No，you couldn’t． |
| C．Of course． |
| D．Yes，I do． |
—Could you please________the floor for me？
—Yes，sure．
| A．cleaning |
| B．to cleaning |
| C．clean |
| D．to clean |
—Would you mind________in the classroom?
—Sorry，I won’t do that again．
A．not running
B．don’t run
C not to run
—Would you mind________your bike over there?
—Not at all．
| A．move |
| B．moving |
| C．to move |
| D．moved |